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Keyword: astronomy

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  • A massive star in a far-off galaxy just disappeared, leaving behind no trace

    07/02/2020 11:11:46 AM PDT · by BenLurkin · 89 replies
    wion ^ | Jul 01, 2020
    A giant star which was under the observation of astronomers for over ten years has suddenly vanished. The star in question was located in a dwarf galaxy 75 million light-years away, and was one of the largest stars in the known universe. The star, which was 2.5 times brighter than the Sun, left no trace behind The star was located in a very far off galaxy, making its detection and observation very difficult. The astronomers observed it based on its signature, which was picked up and then analysed, instead of a direct observation. A highly unstable blue star, researchers picked...
  • On the 4th, keep your eyes on the sky even after the fireworks end

    06/30/2020 10:49:31 PM PDT · by BenLurkin · 4 replies
    AccuWeather ^ | Jun 16, 2020 | Brian Lada
    On the night of July 4, the full moon will pass through part of Earth’s shadow, creating a lunar eclipse that will be visible across North America and South America. This will be the first lunar eclipse visible from this part of the world since 2019. People in some places in Africa and western Europe will also be able to see part of the eclipse. The eclipse will be the perfect celestial event for those across the United States staying up late after Independence Day fireworks, as long as clouds don’t interfere. In a penumbral lunar eclipse, the moon passes...
  • Bright Planetary Nebula NGC 7027 from Hubble (Astronomy Picture of the Day)

    06/30/2020 8:09:50 PM PDT · by MtnClimber · 11 replies
    APOD.NASA ^ | 30 Jun, 2020 | NASA/Joel Kastner
    Explanation: What created this unusual planetary nebula? NGC 7027 is one of the smallest, brightest, and most unusually shaped planetary nebulas known. Given its expansion rate, NGC 7027 first started expanding, as visible from Earth, about 600 years ago. For much of its history, the planetary nebula has been expelling shells, as seen in blue in the featured image. In modern times, though, for reasons unknown, it began ejecting gas and dust (seen in red) in specific directions that created a new pattern that seems to have four corners. These shells and patterns have been mapped in impressive detail by...
  • Whoops! Lester Holt Says Jupiter Only 415 Miles From Earth

    04/07/2017 3:55:15 PM PDT · by nickcarraway · 114 replies
    New York Post ^ | April 7, 2017 | Emily Smith
    Lester Holt announced that Jupiter is now 415 miles from Earth on Thursday’s “NBC Nightly News” and Twitter users went into another stratosphere. Aimee Sanders Gross tweeted, “Lester Holt just said Jupiter is now 415 miles away from Earth. Husband wonders if Southwest will have a $59 airfare?”
  • Hubble Space Telescope Captures Rare Jupiter Collision

    06/06/2010 4:09:09 AM PDT · by jmcenanly · 16 replies · 1,672+ views
    NASA | 06.03.10
    Without warning, a mystery object struck Jupiter on July 19, 2009, leaving a dark bruise the size of the Pacific Ocean. The spot first caught the eye of an amateur astronomer in Australia, and soon, observatories around the world, including NASA’s Hubble Space Telescope, were zeroing in on the unexpected blemish. Astronomers had witnessed this kind of cosmic event before. Similar scars had been left behind during the course of a week in July 1994, when more than 20 pieces of Comet P/Shoemaker-Levy 9 (SL9) plunged into Jupiter’s atmosphere. The 2009 impact occurred during the same week, 15 years later....
  • Europa and Jupiter from Voyager 1 (Astronomy Picture of the Day)

    06/28/2020 8:35:47 PM PDT · by MtnClimber · 19 replies
    APOD.NASA ^ | 28 Jun, 2020 | Alexis Tranchandon / Solaris / NASA
    Explanation: What are those spots on Jupiter? Largest and furthest, just right of center, is the Great Red Spot -- a huge storm system that has been raging on Jupiter possibly since Giovanni Cassini's likely notation of it 355 years ago. It is not yet known why this Great Spot is red. The spot toward the lower left is one of Jupiter's largest moons: Europa. Images from Voyager in 1979 bolster the modern hypothesis that Europa has an underground ocean and is therefore a good place to look for extraterrestrial life. But what about the dark spot on the upper...
  • Failed 1970s Venus Probe Could Crash to Earth This Year

    02/25/2019 7:38:40 AM PST · by BenLurkin · 44 replies
    Cosmos 482 was a sister probe to Venera 8,which in July 1972 became the second craft to land successfully on the surface of Venus, said Don Mitchell, who studies Soviet space history and has a keen interest in that country's Venus exploration missions. But Cosmos 482 got stranded in an Earth parking orbit, Mitchell told Space.com. Some hardware from that failed flight — a heavy frame of tanks and equipment that was jettisoned — fell into Earth's atmosphere in rather short order. But some remained aloft. Still adrift around Earth, making one lap every 112 minutes, is the wayward Cosmos...
  • Drop of ancient seawater rewrites Earth's history

    08/05/2019 8:20:16 AM PDT · by SunkenCiv · 37 replies
    EurekAlert! ^ | August 1, 2019 | University of the Witwatersrand
    Research reveals that plate tectonics started on Earth 600 million years before what was believed earlier... Where it was previously thought that plate tectonics started about 2.7 billion years ago, a team of international scientists used the microscopic leftovers of a drop of water that was transported into the Earth's deep mantle - through plate tectonics - to show that this process started 600 million years before that. An article on their research that proves plate tectonics started on Earth 3.3 billion years ago was published in the high impact academic journal, Nature, on 16 July... For their research, the...
  • Discovery of 2 Monoliths,One On Mars,in 2009,& The One on Phobos,in 2007,As Revealed By Buzz Aldrin

    09/28/2013 1:04:40 PM PDT · by lbryce · 56 replies
    C-Span Video Library ^ | July 19, 2009 | Staff
    This post is a conglomeration of several articles, sources of information, on research that I've gathered, circumstances of which can be interpreted, lead to the conclusion of the seeming existence of two monoliths, uncovered in situations unrelated to each other. One of the so-called monolith-shaped objects was discovered by the Mars Global Surveyor in 2009 on the planet Mars, whereas the other so-called monolith-shaped object found located on the Martian moon of Phobos in 2007. I perused through many numerous articles to find the most straight-forward, scholarly, scientifically non-committal, links, sources of information, assiduously avoiding any histrionic, hysteria-driven conspiracy-type sources...
  • Comets, Asteroids and Planets around a Nearby Star [ AU Microscopii ]

    12/30/2007 6:10:20 PM PST · by SunkenCiv · 20 replies · 296+ views
    SpaceDotCom ^ | August 12, 2004 | Robert Roy Britt
    A nearby star thought to harbor comets and asteroids now appears to be home to planets, too. The presumed worlds are smaller than Jupiter and could be as tiny as Pluto, new observations suggest. AU Microscopii, also known as AU Mic, is a relatively nearby and common sort of star. And it is young. Things around it are just gathering together out of the leftovers of star formation... In new observations with the Keck Telescope in Hawaii, researchers found clumps in the disk -- strong evidence that planets exist. "We see multiple clumps in the dust disk," said study leader...
  • Weird: Out of Nowhere, Something Just Rocked Earth’s Magnetic Field

    06/26/2020 7:45:35 AM PDT · by zeestephen · 59 replies
    Watts Up With That ^ | 25 June 2020 | Anthony Watts
    A GLOBAL MAGNETIC ANOMALY: On June 23rd, Earth’s quiet magnetic field was unexpectedly disturbed by a wave of magnetism that rippled around much of the globe. There was no solar storm or geomagnetic storm to cause the disturbance. So what was it?
  • Maybe We Can Tether Asteroids Together to Stop Them From Destroying Us All

    06/26/2020 7:01:47 AM PDT · by Red Badger · 13 replies
    www.popularmechanics.com ^ | Jun 23, 2020 | Jennifer Leman
    Researchers have proposed using a tether system to pull potentially hazardous asteroids off of their trajectories. For decades, researchers have proposed ways to protect Earth from asteroid impacts. In 2022, NASA's DART mission will test one such method: using a kinetic impactor to push a small asteroid off course. ======================================================================= Around the world, astronomers are scanning the skies for potentially hazardous asteroids that could come barreling toward Earth in the coming years, decades, and centuries. No pressure or anything. Astronomers have proposed some wild ways to knock these asteroids off course. Do we nuke it? Slam a spacecraft into...
  • Scientists say it is possible there is life on Jupiter's moon Europa

    06/26/2020 3:49:08 AM PDT · by Berlin_Freeper · 23 replies
    news.sky.com ^ | 25 June 2020 | SKY News
    The interior ocean in Jupiter's moon Europa may be able to sustain life, NASA scientists believe. Their work is based on computer simulations of the reservoirs below the ice-shell surface of Europa, one of the largest moons in the Solar System.
  • Watch a 10-Year Time Lapse of Sun From NASA’s SDO

    06/25/2020 8:20:20 PM PDT · by BenLurkin · 10 replies
    NASA ^ | 06/24/2020
    As of June 2020, NASA’s Solar Dynamics Observatory – SDO – has now been watching the Sun non-stop for over a full decade. From its orbit in space around Earth, SDO has gathered 425 million high-resolution images of the Sun, amassing 20 million gigabytes of data over the past 10 years. This information has enabled countless new discoveries about the workings of our closest star and how it influences the solar system. With a triad of instruments, SDO captures an image of the Sun every 0.75 seconds. The Atmospheric Imaging Assembly (AIA) instrument alone captures images every 12 seconds at...
  • Hundreds of UFOs Appeared in Californian Skies in Broad Daylight, Alien Hunter Claims Extraterrestrial Presence

    06/24/2020 7:11:52 PM PDT · by Libloather · 47 replies
    IB Times ^ | 6/24/20 | Nirmal Narayanan
    Scott C Waring, a self-proclaimed alien hunter who is currently operating from Taiwan has now released an eerie video that shows hundreds of UFOs hovering in the skies of California. Interestingly, this alleged UFO incident happened during broad daylight, and people who have shot the visuals can be seen trembling while capturing the footage. Did Aliens Pay a Visit to Earth? After analyzing the video, Waring strongly assured that these flying objects could be alien vessels that might have visited the earth from deep space. He added that this video is not fabricated, and it is authentic footage captured by...
  • Unprecedented Public Report On UFOs Requested From Senate Intel Committee (disclosure?)

    06/24/2020 1:31:08 PM PDT · by RoosterRedux · 27 replies
    thedrive.com/the-war-zone ^ | Joseph Trevithick
    Members of the U.S. Senate have expressed concern that the U.S. military, as well as other federal government agencies, have not been giving the appropriate amount of attention to reports of encounters with unidentified aerial phenomena, or UAP, more commonly referred to as unidentified flying objects, or UFOs, which may be linked to America's adversaries. They are now looking to order the Director of National Intelligence to work with other relevant agencies to produce a report detailing just what information they have on UAPs already, how that data is collected and processed, how it is getting shared, and just what...
  • There should be billions of Earths out there. Why can’t we find them?

    06/24/2020 9:09:55 PM PDT · by RomanSoldier19 · 108 replies
    https://www.popsci.com ^ | June 24, 2020 | By Charlie Wood
    A new estimate suggests the Milky Way is home to six billion Earth-like planets. So far, we’ve found just one potential candidate. In 2009, the Kepler space telescope constantly watched over some 200,000 stars in our corner of the Milky Way. It was looking for where life might exist—by pinpointing small, rocky planets in the temperate zones of warm, yellow suns, and figuring out just how special Earth is in the grand scheme of things. While the mission revolutionized the study of exoplanets, those main objectives went largely unfulfilled. A mechanical failure cut short Kepler’s initial survey in 2013. Astronomers...
  • Collision between black hole and 'mysterious object' puzzles astronomers

    06/23/2020 7:04:52 PM PDT · by BenLurkin · 43 replies
    CNET ^ | June 23, 2020 | Jackson Ryan
    On Aug. 14, 2019, a gravitational wave -- a massive ripple through the fabric of space-time -- washed over the Earth. The signal was one of the strongest ever seen by the gravitational wave scientists at the Laser Interferometer Gravitational-wave Observatory and Italy's Virgo observatory. After an alert was sent out moments after detection, teams of astronomers across the world turned their telescopes to the point in space that the wave emanated from. But their searches came up empty. No light, no X-rays, no infrared, no gamma rays. On Tuesday, researchers from the LIGO and Virgo collaborations detail their full...
  • Senate Intelligence Committee commissions public report on UFOs

    06/23/2020 10:46:09 AM PDT · by RoosterRedux · 28 replies
    Hot Air ^ | Jazz Shaw
    The ufology community is all abuzz this week about some news out of Washington, and for good reason. The Senate Select Committee on Intelligence just released their Intelligence Authorization Act for Fiscal Year 2021. Much of it is the standard housekeeping dealing with appropriations, structural changes to departments in the CIA and some rearranging of the deck chairs in various departments inside the intelligence community. It also includes directions for reports to be generated on the activities of Russia, the Chinese Communist Party and other adversaries of interest. But buried back on pages 11 and 12, there is one section...
  • A mysterious space signal has been going for over 500 days — and no one knows why

    06/23/2020 10:33:06 AM PDT · by Red Badger · 56 replies
    thenextweb.com ^ | 06/23/2020 | Staff
    A source of repeating radio waves seen from one point in the sky presents astronomers with numerous mysteries. The source of this signal, where radiation builds and ebbs over a period of 16 days, remains a question. The longevity of these cycles — now seen continuing for over 500 days — could either present another mystery, or perhaps a clue to what is going on at the center of these displays. Fast radio bursts (FRBs) are one form of highly-energetic explosion in deep space. Thought to be caused by small, massive objects, although the exact nature of these objects is...